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Finding the Fourth Proportional to 162,212.68, 243,327.66 and 51,413.32

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Solution

The fourth proportional to 162,212.68, 243,327.66 and 51,413.32 is: 77,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,212.68 : 243,327.66 = 51,413.32 : x
  2. Step 2: Convert to fraction form
    162,212.68/243,327.66 = 51,413.32/x
  3. Step 3: Cross multiply
    162,212.68x = 243,327.66 × 51,413.32
  4. Step 4: Simplify right side
    162,212.68x = 12,510,282,848.43
  5. Step 5: Solve for x
    x = 12,510,282,848.43/162,212.68
  6. Step 6: Final answer
    x = 77,122.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.